{"height":"190","blog_title":"bobchin\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/bobchin/","url":"https://bobchin.hatenadiary.org/entry/20090419/1240116352","published":"2009-04-19 13:45:52","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbobchin.hatenadiary.org%2Fentry%2F20090419%2F1240116352\" title=\"Hack 19. \u6a19\u6e96\u51fa\u529b\u3068\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6291\u5236\u3059\u308b - bobchin\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","categories":["Linux","\u7ffb\u8a33","Linux 101 Hacks"],"title":"Hack 19. \u6a19\u6e96\u51fa\u529b\u3068\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u6291\u5236\u3059\u308b","blog_url":"https://bobchin.hatenadiary.org/","version":"1.0","type":"rich","author_name":"bobchin","description":"\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c7\u30d0\u30c3\u30b0\u4e2d\u306b\u3001\u6a19\u6e96\u51fa\u529b\u307e\u305f\u306f\u6a19\u6e96\u30a8\u30e9\u30fc\u3092\u8868\u793a\u3057\u305f\u304f\u306a\u3044\u3068\u304d\u3082\u3042\u308a\u307e\u3059\u3002 \u51fa\u529b\u3092\u6291\u5236\u3059\u308b\u305f\u3081\u306b\u3001\u4ee5\u4e0b\u306b\u793a\u3059\u3088\u3046\u306b /dev/null \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u6a19\u6e96\u51fa\u529b\u3092\u6291\u5236\u3059\u308b\u306b\u306f /dev/null \u3092\u4f7f\u7528\u3057\u307e\u3059\u3053\u308c\u306f\u30b7\u30a7\u30eb\u30b9\u30af\u30ea\u30d7\u30c8\u3092\u30c7\u30d0\u30c3\u30b0\u3057\u3066\u3044\u308b\u3068\u304d\u306b\u3068\u3066\u3082\u5f79\u7acb\u3061\u307e\u3059\u3002 \u305d\u3053\u306b echo \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u8868\u793a\u3057\u305f\u304f\u306a\u304f\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3060\u3051\u3092\u307f\u305f\u3044\u304b\u3089\u3067\u3059\u3002 # cat file.txt > /dev/null # ./shell-script.sh > /dev/null\u6a19\u6e96\u30a8\u30e9\u30fc\u3092\u6291\u5236\u3059\u308b\u306b\u306f 2> /dev/null \u3092\u4f7f\u7528\u3057\u307e\u3059\u6a19\u6e96\u51fa\u529b\u3060\u3051\u3092\u307f\u3066\u3001\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u307f\u305f\u304f\u2026","image_url":null,"width":"100%"}